1·The century plant blooms only once in its lifetime.
龙舌兰在其一生中只开一次花。
2·In the late nineteenth century, ecology began to grow into an independent science from its roots in natural history and plant geography.
在19世纪后期，生态学从它的自然历史和植物地理学的根源开始发展为一门独立的科学。
3·There's compelling evidence that global warming will be a significant driver of many plant and animal extinctions in this century.
有令人信服的证据表明，全球变暖将是本世纪许多动植物灭绝的一个重要原因。
4·The indigo plant was highly valued until the discovery of chemical dyes in the 19th century.
在19世纪发现化学染料之前，靛蓝一直被高度重视。
5·Since the 19th century, the poinsettia, a native plant from Mexico, has been associated with Christmas.
自19世纪开始，一品红，一种原产于墨西哥的植物就和圣诞节联系起来。
6·As in the 19th century, the devastation had a thin silver lining, allowing producers to plant better clones of higher-quality grapes, but that was scant consolation.
而在19世纪，那次灾难曾拥有的仅有的一丝希望就是允许了葡萄园主种植更优质的葡萄克隆种，但那只是些许的安慰。
7·The direct lessons come from the Fukushima Nuclear Power Plant accident after the tsunami and the once-in-a-century great flood in North America.
它的直接背景就是日本福岛核电站海啸危难和北美洲百年一遇的大水。
8·Last Century, People use plant to dye fabrics whenever area and status.
上个世纪，人们在不同的区域广泛种植并印染织物。
9·The title plant had been used as antalgesic and downer from the beginning of the 20th century up to now.
早在20世纪，这种植物就是流行的止痛药和镇定剂，一直沿用至今。
10·As an important plant in 21st century, rape digitalization is one of important research methods.
作为21世纪的重要作物，油菜的数字化是油菜的重要研究方法。